Alert archive / Missouri / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 173, NWS St. Louis, MO

June 6, 1996Franklin County, Saint Louis County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 6, 1996, 5:31 PM CDT for Franklin County, Saint Louis County, Missouri. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 6, 1996, 5:31 PM CDT (22:31 UTC)
Expired
Jun 6, 1996, 6:15 PM CDT
In force
44 min
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Franklin County, MO, Saint Louis County, MO

The radar

The St Louis radar (KLSX), 20 km from the middle of the area, began a volume at 22:30 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.5 hours before the alert went out and 259 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 1996-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 1996-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1194 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
88 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSTL 062232
SVRSTL
MOC071-189-062315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
531 PM CDT THU JUN 6 1996
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  615 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL MISSOURI
 
   ...NORTHEASTERN FRANKLIN COUNTY...SOUTHERN ST. LOUIS COUNTY
 
AT 528 PM...DOPPLER RADAR SHOWED A SEVERE THUNDERSTORM NEAR UNION MOVING
EAST AT 25 MPH. THIS STORM IS CAPABLE OF PRODUCING HAIL UP TO 1 INCH IN
DIAMETER AND WINDS OF 50-60 MPH.
 
PACIFIC...EUREKA...BALLWIN...GRAY SUMMIT AND VILLA RIDGE ARE IN THE PATH
OF THIS STORM.
 
SEEK SHELTER IN A STURDY BUILDING. REMEMBER SEVERE THUNDERSTORMS
OFTEN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.
 
GLASS/TRUETT

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 5, 8:48 PM CDTSevere Thunderstorm WarningLSXKnox, Lewis42 min
Jun 5, 9:12 PM CDTTornado WarningLSXKnox33 min
Jun 5, 9:15 PM CDTSevere Thunderstorm WarningLSXShelby45 min
Jun 5, 9:30 PM CDTSevere Thunderstorm WarningLSXMarion, Monroe, Ralls60 min
Jun 5, 9:30 PM CDTSevere Thunderstorm WarningLSXLewis60 min
Jun 5, 10:07 PM CDTSevere Thunderstorm WarningLSXPike68 min
Jun 5, 11:17 PM CDTFlash Flood WarningLSXMonroe, Ralls5 hr
Jun 5, 11:17 PM CDTFlash Flood WarningLSXShelby5 hr
Jun 6, 1:25 AM CDTFlash Flood WarningLSXMonroe, Ralls50 min
Jun 6, 1:25 AM CDTSevere Thunderstorm WarningLSXMonroe, Ralls50 min
Jun 6, 12:26 PM CDTSevere Thunderstorm WarningLSXOsage49 min
Jun 6, 2:53 PM CDTSevere Thunderstorm WarningLSXWashington52 min
Jun 6, 4:52 PM CDTSevere Thunderstorm WarningLSXFranklin38 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1996Every severe thunderstorm warning in 1996

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.